49755221 has 2 divisors, whose sum is σ = 49755222. Its totient is φ = 49755220.

The previous prime is 49755203. The next prime is 49755247. The reversal of 49755221 is 12255794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 2283121 = 6890^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 49755221 - 2¹⁸ = 49493077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49755721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24877610 + 24877611.

It is an arithmetic number, because the mean of its divisors is an integer number (24877611).

Almost surely, 2^49755221 is an apocalyptic number.

It is an amenable number.

49755221 is a deficient number, since it is larger than the sum of its proper divisors (1).

49755221 is an equidigital number, since it uses as much as digits as its factorization.

49755221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 49755221 is about 7053.7380870004. The cubic root of 49755221 is about 367.8009837775.

The spelling of 49755221 in words is "forty-nine million, seven hundred fifty-five thousand, two hundred twenty-one".